131512006525 has 6 divisors (see below), whose sum is σ = 163074888122. Its totient is φ = 105209605200.

The previous prime is 131512006519. The next prime is 131512006541. The reversal of 131512006525 is 525600215131.

It can be written as a sum of positive squares in 3 ways, for example, as 29303277124 + 102208729401 = 171182^2 + 319701^2 .

It is not a de Polignac number, because 131512006525 - 2²¹ = 131509909373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2630240106 + ... + 2630240155.

Almost surely, 2^131512006525 is an apocalyptic number.

It is an amenable number.

131512006525 is a deficient number, since it is larger than the sum of its proper divisors (31562881597).

131512006525 is an equidigital number, since it uses as much as digits as its factorization.

131512006525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260480271 (or 5260480266 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 131512006525 in words is "one hundred thirty-one billion, five hundred twelve million, six thousand, five hundred twenty-five".